* lib/mkmf.rb (try_func): got rid of c-mode confusion.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@21748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 7 insertions, 6 deletions

diff --git a/ChangeLog b/ChangeLog
index 3486ba925..90062e675 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jan 23 14:36:06 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (try_func): got rid of c-mode confusion.
+
 Fri Jan 23 13:26:45 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* signal.c (trap_handler): also accepts symbols.  [ruby-dev:37823]
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 401b569f7..0f6f61d98 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -524,12 +524,13 @@ end
 
 def try_func(func, libs, headers = nil, &b)
   headers = cpp_include(headers)
-  try_link(<<"SRC", libs, &b) or try_link(<<"SRC", libs, &b)
+  try_link(<<"SRC", libs, &b) or
 #{headers}
 /*top*/
 #{MAIN_DOES_NOTHING}
 int t() { void ((*volatile p)()); p = (void ((*)()))#{func}; return 0; }
 SRC
+  try_link(<<"SRC", libs, &b)
 #{headers}
 /*top*/
 #{MAIN_DOES_NOTHING}
@@ -1316,11 +1317,7 @@ def configuration(srcdir)
 SHELL = /bin/sh
 
 #### Start of system configuration section. ####
-#{
-if $extmk
-  "top_srcdir = " + $top_srcdir.sub(%r"\A#{Regexp.quote($topdir)}/", "$(topdir)/")
-end
-}
+#{"top_srcdir = " + $top_srcdir.sub(%r"\A#{Regexp.quote($topdir)}/", "$(topdir)/") if $extmk}
 srcdir = #{srcdir.gsub(/\$\((srcdir)\)|\$\{(srcdir)\}/) {CONFIG[$1||$2]}.quote}
 topdir = #{($extmk ? CONFIG["topdir"] : $topdir).quote}
 hdrdir = #{CONFIG["hdrdir"].quote}